<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <fieldset>
        <legend>主要信息</legend>
        <label for="zh">账户：</label>
        <input id="zh" type="text" name="account" value="zhangsan" maxlength="10"/>
        <br>
        <label>密码：<input type="password" name="pwd" value="123456" maxlength="6"></label>
    </fieldset>
</body>
</html>